#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main(){
	int i, j, k;
	i = 6;
	j = 4;
	k = i+++j;
	printf("i=%d j=%d k=%d\n", i, j, k);//k = (i++) + j, k = i + j, i = i + 1.k=10,i=7.
	i = 6;
	j = 4;
	k = -i++ + j;//k=-(i++)+j,k=-i+j,i==i+1.k=-2,i=7.
	printf("i=%d j=%d k=%d\n", i, j, k);
	i = 6;
	j = 4;
	k = i-- - j;
	printf("i=%d j=%d k=%d\n", i, j, k);
	i = 6;
	j = 4;
	k = -i-- - j;//k=-(i--)-j
	printf("i=%d j=%d k=%d\n", i, j, k);
	i = 6;
	k = -i++;
	printf("i=%d k=%d\n", i, k);
	i = 6;
	k = -i--;
	printf("i=%d k=%d\n", i, k);
	return 0;





}
